Climate in Stellenbosch

Stellenbosch, South Africa has a semi-arid climate. The annual average temperature is about 20.8°C and the city receives roughly 600 mm of precipitation across 68 rainy days a year, with around 2634 hours of sunshine. The warmest month is Jan (highs near 34.1°C) and the coldest is Jul (lows near 7.4°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Stellenbosch is classified as Semi-Arid. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Stellenbosch receives about 600 mm of precipitation a year over roughly 68 rainy days. The wettest month is Nov and the driest is Jul.

Stellenbosch sees an estimated 2634 hours of sunshine a year, concentrated in the warmer months around Jan.

By temperature and rainfall, the most comfortable months in Stellenbosch are May, Sep, Jun. Conditions vary year to year — verify with a current forecast before booking.

Stellenbosch has a climate comfort score of 79/100, a very comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Cape Town — Semi-Arid, comfort 79/100
• Climate in Johannesburg — Semi-Arid, comfort 78/100
• Climate in Durban — Semi-Arid, comfort 78/100